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1. 发明申请

WO1994002231A1 FILTER FLOW INDICATOR 审中-公开
标题翻译：过滤器流量指示器
公开(公告)号：WO1994002231A1
公开(公告)日：1994-02-03
申请号：PCT/US1993006865
申请日：1993-07-15
申请人： WILLINGER BROS., INC.
发明人： WILLINGER BROS., INC. , WOLTMANN, Klaus
IPC分类号： B01D35/143
CPC分类号： B01D29/27 , A01K63/045 , B01D35/143 , B01D35/26
摘要： A filter flow indicator for use with a filter bag (22) into which contaminated aquarium water is pumped which comprises a meter tube (80) connected to an inlet tube (68) by a coupling tube (82). Water flowing in the inlet tube (68) flows across the coupling tube (82). The rate of flow in the inlet tube (68) is related to the amount of clogging in the filter bag (22). A mark (90) is included on the meter tube (80) as to when the filter bag (22) should be replaced. As the filter bag (22) clogs, the flow rate in the inlet (68) slows down causing the water level (64) in the meter tube (80) to increase. When water in the meter tube (80) reaches the mark (90), the filter bag (22) is sufficiently clogged so that it should be replaced.
摘要翻译：一种与过滤袋（22）一起使用的过滤器流量指示器，其中泵送受污染的水族箱水，其包括通过联接管（82）连接到入口管（68）的仪表管（80）。在入口管（68）中流动的水流过联接管（82）。入口管（68）中的流速与过滤袋（22）中的堵塞量有关。关于当更换过滤袋（22）时，仪表管（80）上包括标记（90）。随着过滤袋（22）堵塞，入口（68）中的流量减慢，导致仪表管（80）中的水位（64）增加。当仪表管（80）中的水达到标记（90）时，过滤袋（22）被充分堵塞，以便更换。

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